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I'm pretty sure the opposite is true -- below ground structures are more resistant to earthquakes. Earthquake concerns are the primary reason the above ground S
by EB66 8y ago
I'm pretty sure the opposite is true -- below ground structures are more resistant to earthquakes. Earthquake concerns are the primary reason the above ground SR-99 viaduct is being torn down and replaced with a below ground tunnel.
But I do agree that if they had built a tunnel 50 years ago, it definitely wouldn't have been designed to be resistant to a magnitude 9 earthquake.
- c256 8y agoNot trying to be cute or anything, but... Given the subduction zone, isn’t this like deciding which kind of non-skid pads to put on the deck chairs of the Titanic?
- acidburnNSA 8y agoKind of. There's a probabilistic argument that paying a certain amount for something that will survive a smaller earthquake is sometimes worth doing. As a nuclear reactor designer, we learn that there is, however, no upper limit to how strong an earthquake can be. Once the soil fails your statement is accurate; nothing's going to survive.